CN116989005A - Pump head structure convenient and fast to assemble - Google Patents

Pump head structure convenient and fast to assemble Download PDF

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Publication number
CN116989005A
CN116989005A CN202311081438.2A CN202311081438A CN116989005A CN 116989005 A CN116989005 A CN 116989005A CN 202311081438 A CN202311081438 A CN 202311081438A CN 116989005 A CN116989005 A CN 116989005A
Authority
CN
China
Prior art keywords
ring
fast
head structure
pump head
communicating pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311081438.2A
Other languages
Chinese (zh)
Other versions
CN116989005B (en
Inventor
徐兵伟
许骁
胡杰
任兵
陈真
汪明泽
丁松年
张斌
杨文俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shimge Pump Co Ltd
Original Assignee
Zhejiang Shimge Pump Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Shimge Pump Co Ltd filed Critical Zhejiang Shimge Pump Co Ltd
Priority to CN202311081438.2A priority Critical patent/CN116989005B/en
Publication of CN116989005A publication Critical patent/CN116989005A/en
Application granted granted Critical
Publication of CN116989005B publication Critical patent/CN116989005B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/086—Sealings especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2216—Shape, geometry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to a convenient and fast-assembled pump head structure, which relates to the technical field of water pumps and comprises a pump body, wherein a water inlet and a water outlet are arranged on the pump body, a communication mechanism is arranged on the water inlet and/or the water outlet, the communication mechanism comprises a connecting pipe, a communicating pipe and a sealing element, the connecting pipe is fixedly connected with the water inlet and/or the water outlet, the communicating pipe is detachably connected with the connecting pipe, and the sealing element is positioned between the communicating pipe and the connecting pipe and is used for realizing sealing. The application has the advantage of better applicability.

Description

Pump head structure convenient and fast to assemble
Technical Field
The application relates to the technical field of water pumps, in particular to a pump head structure convenient and fast to assemble.
Background
Along with the use scene of water pump becomes more extensive, the system design of each producer in the trade diversified, and the water piping connection mode that the water pump used is different, leads to the water pump with specification to need design many pattern pump bodies, consequently makes the suitability of single pattern pump body relatively poor.
Disclosure of Invention
Aiming at the defects in the prior art, one of the purposes of the application is to provide a pump head structure convenient and fast to assemble, which has the advantage of better applicability.
The above object of the present application is achieved by the following technical solutions:
the utility model provides a convenient fast-assembling's pump head structure, includes the pump body, the pump body on be equipped with water inlet and delivery port, water inlet and/or the delivery port on be equipped with communication mechanism, communication mechanism include connecting pipe, communicating pipe and sealing member, the connecting pipe with water inlet and/or delivery port fixed connection, communicating pipe with the connecting pipe detachable connection, the sealing member be located communicating pipe with between the connecting pipe for realize sealedly.
Through adopting above-mentioned technical scheme, in the use, can change communicating pipe according to actual use needs to make the pump body with the specification need not to carry out the design of many pattern pump bodies, make the suitability better.
The present application may be further configured in a preferred example to: the sealing element comprises a sealing ring, the sealing ring is sleeved on the communicating pipe, and the sealing ring is positioned between the communicating pipe and the connecting pipe.
By adopting the technical scheme, the sealing ring is arranged, so that the probability of liquid leakage can be effectively reduced.
The present application may be further configured in a preferred example to: the sealing element also comprises a check ring, the check ring is sleeved at one end of the communicating pipe extending into the connecting pipe, and the check ring abuts against the pump body.
By adopting the technical scheme, the sealing effect is further enhanced due to the existence of the check ring.
The present application may be further configured in a preferred example to: the sealing ring is propped against the check ring.
By adopting the technical scheme, the sealing ring is propped against the check ring, so that the check ring can be fixed.
The present application may be further configured in a preferred example to: the check ring comprises a positioning groove, a positioning ring is arranged on the communicating pipe, and the positioning ring stretches into the positioning groove and abuts against the groove wall of the positioning groove.
Through adopting above-mentioned technical scheme, the existence of constant head tank for the contact effect of communicating pipe and retaining ring is better, forms labyrinth seal.
The present application may be further configured in a preferred example to: the width of the positioning groove is larger than that of the positioning ring.
By adopting the technical scheme, the positioning ring is easier to enter the positioning groove during installation.
The present application may be further configured in a preferred example to: the retainer ring comprises a ring body, an outer ring and an inner ring, wherein the outer ring and the inner ring are fixedly connected with the ring body, and the positioning groove is formed between the outer ring and the inner ring.
By adopting the technical scheme, the outer ring and the inner ring exist, so that the sealing effect is better.
The present application may be further configured in a preferred example to: the length of the outer ring is greater than that of the inner ring, and the outer ring is propped against the sealing ring.
Through adopting above-mentioned technical scheme, the length of outer loop is greater than the length of inner ring, and outer loop and sealing washer offset for the sealing washer is when deformation, and the force of exerting to the outer loop is bigger, consequently makes the spacing effect to the retaining ring better.
The present application may be further configured in a preferred example to: an inner groove is further formed in the communicating pipe, the inner ring extends into the inner groove, and the front end of the impeller also extends into the inner groove.
By adopting the technical scheme, the front end of the impeller stretches into the inner groove, so that the probability of liquid leakage can be reduced.
The present application may be further configured in a preferred example to: the minimum distance between the inner ring and the front end of the impeller is smaller than the distance between the ring body and the front end of the impeller.
Through adopting above-mentioned technical scheme, consequently make the resistance of medium leakage circuit big, and then leak fewly, effectively improve hydraulic efficiency, the retaining ring is the back assembly, can guarantee its clearance with the impeller front end, can not produce the interference, even have the interference, minimum interval between inner ring and the front end of impeller is less than the interval between the front end of circle body and impeller and also can effectively reduce the friction area, the processing precision of reduction that can very big degree, especially the axiality requirement of each cooperation part, reduce cost.
Drawings
Fig. 1 is a schematic diagram of the structure of the present application.
Fig. 2 is a schematic view of the structure of the communication pipe of the present application.
FIG. 3 is a schematic view of the snap spring structure of the application.
Fig. 4 is a schematic cross-sectional view of the present application.
Fig. 5 is an enlarged schematic view of the portion a of fig. 4 according to the present application.
FIG. 6 is a schematic view of the retainer ring structure of the present application.
Reference numerals: 1. a pump body; 2. a communication mechanism; 21. a connecting pipe; 211. a clamping groove I; 22. a communicating pipe; 221. a clamping groove II; 222. a positioning ring; 223. an outer groove; 224. an inner tank; 23. clamping springs; 231. a connection part; 232. a clamping part; 24. a seal; 3. a seal ring; 4. a retainer ring; 41. an outer ring; 42. an inner ring; 421. a ring body; 422. a protrusion; 43. a ring body; 44. a positioning groove; 5. an impeller.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-6, a pump head structure for convenient and fast assembly disclosed by the application comprises a pump body 1, wherein the pump body 1 comprises a water inlet and a water outlet, a communication mechanism 2 is arranged on the water inlet and/or the water outlet, and in the embodiment, the communication mechanism 2 is arranged on the water inlet and the water outlet. The communication mechanism 2 includes a connection pipe 21, a communication pipe 22, and a sealing member 24, the connection pipe 21 is fixedly connected to both the water inlet and the water outlet, and in this embodiment, the connection pipe 21 is formed at the water inlet and the water outlet in a uniform and integrated manner. The communication pipe 22 and the connection pipe 21 are detachably connected.
The communication mechanism 2 further comprises a clamp spring 23, a clamping groove I211 is arranged on the connecting pipe 21, a clamping groove II 221 is arranged on the communicating pipe 22, and the clamping groove II 221 is in a circular ring shape. The first clamping grooves 211 are symmetrically arranged, and the first clamping grooves 211 penetrate through the connecting pipe 21. The clamp spring 23 comprises a connecting part 231 and clamping parts 232, the two clamping parts 232 are fixedly connected to the two sides of the connecting part 231, the minimum distance between the two clamping parts 232 is smaller than the minimum distance between the two clamping grooves, and the clamping parts 232 further comprise arc-shaped sections attached to the second clamping grooves 221.
The sealing element 24 comprises a sealing ring 3 and a retainer ring 4, an outer groove 223 and an inner groove 224 are formed in one end of the communicating pipe 22 extending into the connecting pipe 21, a positioning ring 222 is formed between the outer groove 223 and the inner groove 224, and the sealing ring 3 is sleeved in the outer groove 223 and abuts against the inner wall of the connecting pipe 21 to deform. The retainer ring 4 comprises a ring body 43, an outer ring 41 and an inner ring 42, wherein the outer ring 41 and the inner ring 42 are fixedly arranged on the ring body 43, a positioning groove 44 is formed between the outer ring 41 and the inner ring 42, the distance between the outer ring 41 and the inner ring 42 is larger than the width of the positioning ring 222, and the positioning ring 222 extends into the positioning groove 44 and abuts against the ring body 43. The length of the outer ring 41 is greater than the length of the inner ring 42, the inner ring 42 is positioned in the inner groove 224, the outer ring 41 is positioned in the outer groove 223, and one end of the outer ring 41 abuts against the sealing ring 3. The end surface of the ring body 43, which is far away from the positioning ring 222, abuts against the pump body 1. In the present embodiment, the inner ring 42 includes a ring body 421 and a projection 422, and the projection 422 is fixedly mounted on the ring body 421. The protrusions 422 are a plurality of protrusions and are circumferentially and uniformly distributed on the ring body 421, and the protrusions 422 may be columnar, in this embodiment, the surfaces of the protrusions 422 are arc surfaces. The protrusions 422 reduce friction generated during interference. In other embodiments, the projection 422 may be one and annular.
The front end of the impeller 5 is annular and extends into the inner groove 224, and the minimum distance between the inner ring 42 and the front end of the impeller 5 is smaller than the distance between the ring body 43 and the front end of the impeller 5. Let the minimum distance between the inner ring 42 and the front end of the impeller 5 be a, the distance between the ring body 43 and the front end of the impeller 5 be b, the distance between the front end surface of the impeller 5 and the ring surface of the inner groove 224 be c, a is more than or equal to 0.02mm and less than or equal to 0.2mm, b is more than or equal to 0.1mm and less than or equal to 0.3mm, and c is more than or equal to 0.4mm and less than or equal to 1mm. The arrows in fig. 4 indicate the medium leakage circuit. The application can be used for high-lift centrifugal pumps, such as cooling water pumps in the laser water chiller industry.
The implementation principle of the embodiment is as follows: a retainer ring 4 is arranged between the pump body 1 and the impeller 5, so that a sealing gap is extremely small, the leakage quantity is reduced, the pump head efficiency is improved, and the lift of the single-stage electronic centrifugal pump can be improved to be more than 45 m; meanwhile, the retainer ring 4 is assembled later, the machining precision is not required to be high, the coaxiality requirement is low, the sealing ring 3 is extruded and fixed through the assembling communicating pipe 22, the friction in the rotation of the impeller 5 can be effectively reduced, and the running noise of the water pump is reduced. In addition, the structure can adopt one pump body 1 to be compatible with a plurality of communicating pipes 22, so that the opening modulus of the pump body 1 is reduced, and the early investment is reduced.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The utility model provides a convenient fast-assembling's pump head structure which characterized in that: the water pump comprises a pump body (1), wherein a water inlet and a water outlet are formed in the pump body (1), a communication mechanism (2) is arranged on the water inlet and/or the water outlet, the communication mechanism (2) comprises a connecting pipe (21), a communicating pipe (22) and a sealing element (24), the connecting pipe (21) is fixedly connected with the water inlet and/or the water outlet, the communicating pipe (22) is detachably connected with the connecting pipe (21), and the sealing element (24) is positioned between the communicating pipe (22) and the connecting pipe (21) and is used for sealing.
2. The portable and fast-assembled pump head structure according to claim 1, wherein: the sealing element (24) comprises a sealing ring (3), the sealing ring (3) is sleeved on the communicating pipe (22), and the sealing ring (3) is positioned between the communicating pipe (22) and the connecting pipe (21).
3. The portable and fast-assembled pump head structure according to claim 2, wherein: the sealing element (24) further comprises a check ring (4), the check ring (4) is sleeved on one end of the communicating pipe (22) extending into the connecting pipe (21), and the check ring (4) abuts against the pump body (1).
4. A pump head structure for easy and fast assembly according to claim 3, wherein: the sealing ring (3) is propped against the check ring (4).
5. A pump head structure for easy and fast assembly according to claim 3, wherein: the retainer ring (4) comprises a positioning groove (44), the communicating pipe (22) is provided with a positioning ring (222), and the positioning ring (222) stretches into the positioning groove (44) and abuts against the groove wall of the positioning groove (44).
6. The portable and fast-assembled pump head structure according to claim 5, wherein: the width of the positioning groove (44) is larger than that of the positioning ring (222).
7. The portable and fast-assembled pump head structure according to claim 5, wherein: the retainer ring (4) comprises a ring body (43), an outer ring (41) and an inner ring (42), wherein the outer ring (41) and the inner ring (42) are fixedly connected with the ring body (43), and a positioning groove (44) is formed between the outer ring (41) and the inner ring (42).
8. The portable and fast-assembled pump head structure according to claim 7, wherein: the length of the outer ring (41) is larger than that of the inner ring (42), and the outer ring (41) is propped against the sealing ring (3).
9. The portable and fast-assembled pump head structure according to claim 7, wherein: an inner groove (224) is further formed in the communicating pipe (22), the inner ring (42) stretches into the inner groove (224), and the front end of the impeller (5) also stretches into the inner groove (224).
10. The portable and fast-assembled pump head structure according to claim 9, wherein: the minimum distance between the inner ring (42) and the front end of the impeller (5) is smaller than the distance between the ring body (43) and the front end of the impeller (5).
CN202311081438.2A 2023-08-25 2023-08-25 Pump head structure convenient and fast to assemble Active CN116989005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311081438.2A CN116989005B (en) 2023-08-25 2023-08-25 Pump head structure convenient and fast to assemble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311081438.2A CN116989005B (en) 2023-08-25 2023-08-25 Pump head structure convenient and fast to assemble

Publications (2)

Publication Number Publication Date
CN116989005A true CN116989005A (en) 2023-11-03
CN116989005B CN116989005B (en) 2024-04-26

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Application Number Title Priority Date Filing Date
CN202311081438.2A Active CN116989005B (en) 2023-08-25 2023-08-25 Pump head structure convenient and fast to assemble

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101392746A (en) * 2007-08-28 2009-03-25 Itt制造企业公司 Friction lock design for adjustable pump head to allow for 360 deg rotation
CN206801929U (en) * 2017-05-19 2017-12-26 利欧集团浙江泵业有限公司 A kind of sealing structure of the impeller port ring of water pump
CN210660620U (en) * 2019-07-25 2020-06-02 佛山市海汇洗涤技术服务有限公司 Integrated built-in water pump of dish washer
CN111396373A (en) * 2020-03-30 2020-07-10 温州盛淼工业设计有限公司 Water pump head
CN216742140U (en) * 2022-01-18 2022-06-14 东莞市深鹏电子有限公司 Impeller and pump cover clearance seal structure of water pump
CN217539035U (en) * 2022-06-27 2022-10-04 新界泵业(浙江)有限公司 Canned motor pump that lip ring terminal surface is sealed
WO2023281348A1 (en) * 2021-07-06 2023-01-12 Varisco S.r.l. Self-priming centrifugal pump assembly with multifunctional sealing system
CN218598459U (en) * 2022-11-10 2023-03-10 佛山市威灵洗涤电机制造有限公司 Pump cavity structure, circulating pump and air conditioner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101392746A (en) * 2007-08-28 2009-03-25 Itt制造企业公司 Friction lock design for adjustable pump head to allow for 360 deg rotation
CN206801929U (en) * 2017-05-19 2017-12-26 利欧集团浙江泵业有限公司 A kind of sealing structure of the impeller port ring of water pump
CN210660620U (en) * 2019-07-25 2020-06-02 佛山市海汇洗涤技术服务有限公司 Integrated built-in water pump of dish washer
CN111396373A (en) * 2020-03-30 2020-07-10 温州盛淼工业设计有限公司 Water pump head
WO2023281348A1 (en) * 2021-07-06 2023-01-12 Varisco S.r.l. Self-priming centrifugal pump assembly with multifunctional sealing system
CN216742140U (en) * 2022-01-18 2022-06-14 东莞市深鹏电子有限公司 Impeller and pump cover clearance seal structure of water pump
CN217539035U (en) * 2022-06-27 2022-10-04 新界泵业(浙江)有限公司 Canned motor pump that lip ring terminal surface is sealed
CN218598459U (en) * 2022-11-10 2023-03-10 佛山市威灵洗涤电机制造有限公司 Pump cavity structure, circulating pump and air conditioner

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